package com.weaponlin.domain;

import java.util.Base64;
import java.util.regex.Pattern;

public class GetTime {

    public static void main(String[] args) {
//        long now = System.currentTimeMillis();
//        long fiveMinAgo = now - 5 * 60 * 1000;
//        System.out.println(now);
//        System.out.println(fiveMinAgo);
//        Base64.getEncoder().encode(String.valueOf(now).getBytes());
//
//        System.out.println(554400000/1000/60/60/24);

        Pattern compile = Pattern.compile("^([1-9]\\d*)([mhd])$");
    }
}
